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STEAM BOILBR. No. 325,967, `.Patented Sept.. 8, 1885.

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UNITED STATES PATENT OFFICE.

GEORGE A. PORTER, OF SYRAOUSE, NEW YORK,

SPECIFICATION forming part of Letters Patent No. 325,967, dated September 8, 1885. Application filed June 16, 1885.A (No niodeln` t To all whom it may concern:

Be it known that I, GEORGE A. PORTER, of Syracuse, in the county of Onondaga, in the State of New York, have invented new and useful Improvements in Steam-Boilers, of which the following, taken in connect-ionwith the accompanying drawings, is a full, clear, and exact description.

This invention has reference to the class of steam-boilers having a Water-space surrounding the smoke-box at the end of the boiler, said water-space being necessarily very narnow owing to the lower iiues requiring the Hue-sheet to reach within a short distance from the boiler-shell to receive the ends of said dues, and said contraction of the waterspace renders it exceeding] y dii'lieulttoebtain access thereto for cleaning it.

The purpose of this invention is to overcome said difficulty of cleaning the waterspace around the smoke-box,- and to that end the invention consists in the novel construction of parts as hereinafter fully described, and specifically set forth in the claims.

In the annexed drawings, Figure 1 is a lon-` gitudinal section of a steam-boiler embodying my invention, and Fig. 2 is an end view of the same.

Similar letters of reference indicate correspending parts.

A denotes the boilershell; B, the flue-sheet, and C the smoke-box, which latter is formed of the boiler-shell extension A', beyond the flue sheet B, `and the smoke-box shell secured at one end to the Hue-sheet and at the opposite end to the end of the boiler-shell extension and formed with the water-space o around it. The bottom portion of the smoke-box shell C, I form with an upward deflection. C', at the end of the boiler-shell extension A', so as to deepen the water-space a at the outer end. Thisupwardly deflected portion of the smokebox shell I provide with a handhele, b, and a cover, c, which is removably secured across said hand-hole in the usual and well-known manner. This hand-hole affordsV ready access to the bottom portion of the water-space a for cleaning the same and the bottom of the interior of the boiler when required.

Having described my invention, what I claim as new, and desire to secure by Letters Patent, 1s-

l. 'Ina steam-boiler, a water-space around the smoke-box, and deepened at its outer end, and a hand-hole in said end of the waterjacket for the purpose ofl cleaning the same, as set forth.

2. The combination, with the boiler-shell extension forward from the flue-sheet, of the smoke-box shell extending the length of the boiler-shell extension and formed with an upward deleetion at the end of the boiler-shell extension, and a hand-hole in the said deflected portion of the smoke-box shell, substantially as described and shown.

In testimony that I claim the foregoing I have hereunto set my hand this 10th day of June, A. D. 1885.

GEORGE A. PORTER.

Witnesses:

FREDERICK H. Grnis, C. BENDIXON. 

